One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Lincoln Park you will be able to figure out when it's possible to plant tithonia.

Planting Calendar for Tithonia

Frost tolerance for tithonia:	Not tolerant of frost.
When to plant:	After the last frost has passed.

Since tithonia require warm weather it is important to wait until after the last frost when the weather gets warmer before you can plant them.

The earliest that you can plant tithonia in Lincoln Park is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant tithonia and expect a good harvest is probably August. If you wait any later than that and your tithonia may not have a chance to grow to maturity. Starting your tithonia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average the last frost is on April 15 in Lincoln Park. It might get as low as -5°F during the coldest months of winter.

Always keep in mind that USDA zone info for Lincoln Park is not always accurate and the actual date of last frost is different every year. Since half of the time in Lincoln Park you get a frost after April 15 be ready to cover your tithonia in the event of a surprise late frost.

USDA Zone Info for Lincoln Park

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Lincoln Park

You may be interested in your other planting guides for Lincoln Park.